$ $ #.... .. #...... #.$...# #...#.# ##..... ..... #..# # #.)#####.# #))).....# ### ##o####### #.. #o# #.# ###########.# # #.### # #.........#.# ... ....#.# #.#######.#.##...####.#.#.## #....[###.......[..........# #..##.............. #<.....# $ #..######.......... #......# ###..#### #.#.##...#. #......# #.......###.#[# #### #......# #.#####.....#.# #.###.###.# #. #.#####'## #.........# # #.# ##...## #####.##### #.###.....## ##.# #####..#.......## ##..# .................####...#### .................'........... #......#.........####...##### ##.##.###.......## ##..# ## #. ##.....## ##.# #. ##...## #... #. ##+## ...# ∆ ...# ##